Encyclopedia article very briefly describes the purpose and functioning of the bladder in the human body.

Find a physical description of this gland, and details on its functions, related diseases, and treatments. Link to related resources.

Chemical substance is found in the urine of humans and in the urine of birds and reptiles. Find out how it can cause gout and kidney stones.

Encyclopedia article details the parts of the urinary system, how the system works, and how doctors can analyze urine to find disease.